Release Time:2019-03-09 Hits:
First Author: 王树刚
Disigner of the Invention: 毕海洋,Margaret
Authorization Number: ZL 200420031799.2
Prev One:农村主动式太阳能蓄热地面系统
Next One:利用城市污水地位热能的取水方法和自动除污装置